CVE-2025-3052HIGH 8.2EPSS p26.5%

CVE-2025-3052CVE-2025-3052

Description

An arbitrary write vulnerability in Microsoft signed UEFI firmware allows for code execution of untrusted software. This allows an attacker to control its value, leading to arbitrary memory writes, including modification of critical firmware settings stored in NVRAM. Exploiting this vulnerability could enable security bypasses, persistence mechanisms, or full system compromise.

Scoring

CVSS 3.18.2 (HIGH)
VectorCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
EPSS0.35% probability of exploitation · percentile 26.5% · 2026-06-19T12:03:05Z
Published2025-06-10
Last modified2026-04-15

References

  1. https://uefi.org/specs/UEFI/2.10/32_Secure_Boot_and_Driver_Signing.html
  2. https://www.binarly.io/advisories/brly-dva-2025-001
  3. https://www.kb.cert.org/vuls/id/806555

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.